Westward Expansion, 1800-1848 (APUSH Unit 4 - Key Concept 4.3)

In this video, John Moscatiello, founder of Marco Learning, reviews Key Concept 4.3 of the AP U.S. History course, focusing primarily on U.S. interest in increasing foreign trade and the expansion of its national borders, culminating in the Mexican-American War in 1848. Topics include the War of 1812, westward expansion, and the causes of the Civil War.

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